連比例式

連比例式

9th Grade

10 Qs

quiz-placeholder

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連比例式

連比例式

Assessment

Quiz

Mathematics

9th Grade

Medium

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

abc為三個不為0的數,則下列何者正確?

abc=(am):(bm):(cm)

abc=(am):(bm):(cm)

abc=(a×m):(b×m):(c×m) (m≠0)

abc=(m÷a):(m÷b):(m÷c)

2.

FILL IN THE BLANK QUESTION

1 min • 10 pts

xy=4:3,yz=2:5,則xyz

3.

FILL IN THE BLANK QUESTION

1 min • 10 pts

xy=2:7,yz=2:1

4.

FILL IN THE BLANK QUESTION

1 min • 10 pts

xy=6:5,xz=3:1,則xyz

5.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

已知xyz皆不為0,且3x=2y,xy

3:2

2:3

1:2

2:1

6.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

已知abc皆不為0,且5a=3b,求ab?

10:6

6:12

3:5

5:3

7.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

設 7:xy=6:3:1,求x?

7

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3

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